25330412052 has 72 divisors (see below), whose sum is σ = 69920192160. Its totient is φ = 7668227520.

The previous prime is 25330412027. The next prime is 25330412053. The reversal of 25330412052 is 25021403352.

It is a happy number.

25330412052 is a `hidden beast` number, since 2 + 533 + 0 + 4 + 120 + 5 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330412053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372138 + ... + 434910.

It is an arithmetic number, because the mean of its divisors is an integer number (971113780).

Almost surely, 2^25330412052 is an apocalyptic number.

25330412052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25330412052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34960096080).

25330412052 is an abundant number, since it is smaller than the sum of its proper divisors (44589780108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25330412052 is a wasteful number, since it uses less digits than its factorization.

25330412052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63813 (or 63808 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

It can be divided in two parts, 253304 and 12052, that added together give a triangular number (265356 = T₇₂₈).

The spelling of 25330412052 in words is "twenty-five billion, three hundred thirty million, four hundred twelve thousand, fifty-two".